Delhi is a city in Delaware County, Iowa, United States. The population was 420 at the time of the 2020 census.
History
Delhi was founded in the early 1840s. The county seat was once located there. Emma Swinburne, who married George C. Junkin, was from Delhi.
Geography
Delhi is located on State Highway 38 near the Maquoketa River. The Delhi Dam on the river in Delhi's southwest created Hartwick Lake. A portion of the dam failed on July 24, 2010, flooding areas downstream.
According to the United States Census Bureau, the city has a total area of , of which is land and is water.